<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
    </style>
</head>
<body>
<div id="app">
    <button @click="btnClick" type="">click</button>

    <!-- keyCode -->
    <input @keyup.left="inpKeyup" type="text">
</div>

<script src="../20211018/vue.js"></script>
<script>
    let myApp = new Vue({
        el: '#app',
        data: {
        },
        methods: {
            btnClick () {
                console.log('按钮被点击了')
            },
            inpKeyup () {
                console.log('input键盘抬起')
            }
        }
    })
</script>


</body>
</html>